Home / 28,841,043.78-39,758,237.37-21,953,529.54

Finding the Fourth Proportional to 28,841,043.78, 39,758,237.37 and 21,953,529.54

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Solution

The fourth proportional to 28,841,043.78, 39,758,237.37 and 21,953,529.54 is: 30,263,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841,043.78 : 39,758,237.37 = 21,953,529.54 : x
  2. Step 2: Convert to fraction form
    28,841,043.78/39,758,237.37 = 21,953,529.54/x
  3. Step 3: Cross multiply
    28,841,043.78x = 39,758,237.37 × 21,953,529.54
  4. Step 4: Simplify right side
    28,841,043.78x = 872,833,638,560,626.88
  5. Step 5: Solve for x
    x = 872,833,638,560,626.88/28,841,043.78
  6. Step 6: Final answer
    x = 30,263,593.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.